Habit: Perennial herb from clustered, fibrous-tuberous roots or rhizomes, glabrous.
Stem: generally decumbent or ascending, proximal nodes generally rooting.
Leaf: blade oblong to triangular-ovate, generally 1--3-pinnate, leaflets wide or narrow, generally serrate to pinnately lobed.
Inflorescence: umbels compound; bracts generally 0 or inconspicuous; bractlets many; rays, pedicels many, spreading or spreading-ascending.
Flower: outer bisexual or staminate, occasionally bilateral; outer calyx lobes acute, generally prominent, persistent and enlarging in fruit or not; petals wide, white, tips narrowed; styles persistent.
Fruit: oblong-ovate to round, +- cylindric [+- compressed front-to-back]; ribs low, obtuse, corky; oil tubes generally 1 per rib-interval.
Seed: face flat.
Species In Genus: +- 30 species: North America, Eurasia, Africa.
Etymology: (Greek: wine flower)
Note: Oenanthe pimpinelloides record based on misidentified specimen.
Jepson eFlora Author: Lincoln Constance & Margriet Wetherwax
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)
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